LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Lt1 swap in a 94 3.4 5 speed

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Old 03-17-2008, 03:26 PM
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Default Lt1 swap in a 94 3.4 5 speed

What needs to be changed? The guys also wants to use the v6 5speed but I told him I was pretty sure that wouldn't work.
Old 03-17-2008, 03:42 PM
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That wouldn't work. If they even could find a bellhousing to mate it up, I'm sure it wouldn't last long. He'll need a new K-Member for a V8, and I wouldn't doubt a new trans cross member for either the M6 or A4, depending on what he ends up using.
Old 03-17-2008, 03:48 PM
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Buy a wrecked car he will need alot of parts like rad/fans heater hoses I could name alot more just some of the big things
Old 03-17-2008, 04:16 PM
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Just did this to my 1995 Firebird.

https://ls1tech.com/forums/conversions-swaps/879242-project-flyenlow-3-4-v6-t5-lt1-t56-swap.html
Old 03-17-2008, 10:23 PM
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Originally Posted by tbird31
Just did this to my 1995 Firebird.

https://ls1tech.com/forums/showthread.php?t=879242
what kind of place did you do the swap at? seen all those sweet looking camaro's and firebirds in the background.
Old 03-17-2008, 10:43 PM
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Originally Posted by tbird31
Just did this to my 1995 Firebird.

https://ls1tech.com/forums/showthread.php?t=879242
what all needs changed?
Old 03-18-2008, 11:17 AM
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ok, since you all are talking about this, I am in the process of switching out a 1996 3.8 to a 1994 LT1 what all will I need to do for this?
Old 03-18-2008, 01:45 PM
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everything except brake related things
Old 03-18-2008, 01:59 PM
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you can use the ac
Old 03-18-2008, 02:12 PM
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Originally Posted by LT1
what kind of place did you do the swap at? seen all those sweet looking camaro's and firebirds in the background.
I work for a performance shop in Charlotte, NC. Zeus Performance.

Originally Posted by 1BADAIR
what all needs changed?
Mechanically:
-Engine/transmission/driveshaft(as most pre-97's have 2 piece driveshafts)
-if swapping from T5 to T56 you'll need a lower shift boot. (~$35 at GM)
-most accessories/bracketry
-engine k-member
-I had drum brakes so I swapped to LS1's all around
-fuel pump
-exhaust components

Electronically:

-engine harness
-I used the 95 engine bay harness and have adapted it to connect to the interior harness and engine harness through the factory plug ins
-PCM
-most will say you need to swap steering colums due to vats but if you get a basic tune before start up you can just tune out vats.



That's the basic jist of things. If you have any specific questions feel free to PM me. It's been a long process and this is just what I can come up with in 5 minutes of sitting here.

I would also suggest replacing anything that you don't want to have to go in and replace later on. ie: motor mounts, oil sending unit, if you're doing headers etc...anything that will be easier to do now while it's out then later when you'll have to struggle. haha.
Old 03-18-2008, 02:53 PM
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Yea I did the swap to. Try to get the same year parts as your car is. The vats shouldnt be a problem.
Old 03-18-2008, 03:50 PM
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the engine/pcm/harness he has also came out of a 94
Old 03-18-2008, 04:26 PM
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Personally I would just buy an LT1 car. That being said, I can definitely appreciate the work that goes into any project that big! tbird31, you're car came out awesome! Very nice work!

1BADAIR, good luck with your friend's project!
Old 03-18-2008, 06:08 PM
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Originally Posted by tbird31
I work for a performance shop in Charlotte, NC. Zeus Performance.



Mechanically:
-Engine/transmission/driveshaft(as most pre-97's have 2 piece driveshafts)
-if swapping from T5 to T56 you'll need a lower shift boot. (~$35 at GM)
-most accessories/bracketry
-engine k-member
-I had drum brakes so I swapped to LS1's all around
-fuel pump
-exhaust components

Electronically:

-engine harness
-I used the 95 engine bay harness and have adapted it to connect to the interior harness and engine harness through the factory plug ins
-PCM
-most will say you need to swap steering colums due to vats but if you get a basic tune before start up you can just tune out vats.



That's the basic jist of things. If you have any specific questions feel free to PM me. It's been a long process and this is just what I can come up with in 5 minutes of sitting here.

I would also suggest replacing anything that you don't want to have to go in and replace later on. ie: motor mounts, oil sending unit, if you're doing headers etc...anything that will be easier to do now while it's out then later when you'll have to struggle. haha.
Is there anywhere I can find a COMPLETE write up on the v6-lt1 swap?




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